Too hot to incubate: Nile crocodiles hatch on their own in French reserve
Summary
In a wildlife park in southeastern France, 10 Nile crocodiles hatched naturally for the first time without human help. This happened because France experienced several heatwaves, creating warm conditions that allowed the eggs to incubate in the sand like they would in the wild.Key Facts
- The event took place at La Ferme aux Crocodiles, Europe’s largest reptile wildlife park in Pierrelatte, France.
- Nile crocodile eggs usually hatch in controlled incubators to keep the temperature steady.
- For the first time, the eggs hatched naturally in the sand without human care.
- The eggs need a constant temperature between 30°C and 32°C (86°F to 90°F) for about three months to develop properly.
- France had three heatwaves this summer, including 52 days of extreme heat, raising the sand temperature enough for natural incubation.
- The hatchlings are healthy and being watched carefully before they are shown to the public.
- This natural hatching is seen as a sign of climate change affecting animal behavior.
- Some animals from cooler climates may have been negatively affected by the hotter weather.
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